On Food: Calorie posting could be good for both guests’ waistlines and corporate bottom lines

The calorie police have scored a number of victories in recent months. First New York City forced chain restaurants with 15 or more units nationwide to post calorie information on their menus and menu boards. Then California passed a law requiring that information to be posted at all restaurants operating 20 or more units anywhere in the entire state, although it won’t be enforced until 2011. There’s even a bill before Congress—and endorsed by the